Home / 250,483.23-345,681-148,569.03

Finding the Fourth Proportional to 250,483.23, 345,681 and 148,569.03

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Solution

The fourth proportional to 250,483.23, 345,681 and 148,569.03 is: 205,033.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,483.23 : 345,681 = 148,569.03 : x
  2. Step 2: Convert to fraction form
    250,483.23/345,681 = 148,569.03/x
  3. Step 3: Cross multiply
    250,483.23x = 345,681 × 148,569.03
  4. Step 4: Simplify right side
    250,483.23x = 51,357,490,859.43
  5. Step 5: Solve for x
    x = 51,357,490,859.43/250,483.23
  6. Step 6: Final answer
    x = 205,033.65

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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.