Home / 453,144.18-625,325.75-249,194.90

Finding the Fourth Proportional to 453,144.18, 625,325.75 and 249,194.90

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Solution

The fourth proportional to 453,144.18, 625,325.75 and 249,194.90 is: 343,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,144.18 : 625,325.75 = 249,194.90 : x
  2. Step 2: Convert to fraction form
    453,144.18/625,325.75 = 249,194.90/x
  3. Step 3: Cross multiply
    453,144.18x = 625,325.75 × 249,194.90
  4. Step 4: Simplify right side
    453,144.18x = 155,827,983,366.07
  5. Step 5: Solve for x
    x = 155,827,983,366.07/453,144.18
  6. Step 6: Final answer
    x = 343,881.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.