Home / 102,569.40-153,854.10-94,015.80

Finding the Fourth Proportional to 102,569.40, 153,854.10 and 94,015.80

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Solution

The fourth proportional to 102,569.40, 153,854.10 and 94,015.80 is: 141,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,569.40 : 153,854.10 = 94,015.80 : x
  2. Step 2: Convert to fraction form
    102,569.40/153,854.10 = 94,015.80/x
  3. Step 3: Cross multiply
    102,569.40x = 153,854.10 × 94,015.80
  4. Step 4: Simplify right side
    102,569.40x = 14,464,716,294.78
  5. Step 5: Solve for x
    x = 14,464,716,294.78/102,569.40
  6. Step 6: Final answer
    x = 141,023.70

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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.