Home / 100,673.18-151,126.43-54,017.18

Finding the Fourth Proportional to 100,673.18, 151,126.43 and 54,017.18

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Solution

The fourth proportional to 100,673.18, 151,126.43 and 54,017.18 is: 81,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,673.18 : 151,126.43 = 54,017.18 : x
  2. Step 2: Convert to fraction form
    100,673.18/151,126.43 = 54,017.18/x
  3. Step 3: Cross multiply
    100,673.18x = 151,126.43 × 54,017.18
  4. Step 4: Simplify right side
    100,673.18x = 8,163,423,572.07
  5. Step 5: Solve for x
    x = 8,163,423,572.07/100,673.18
  6. Step 6: Final answer
    x = 81,088.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.