Home / 169,411.36-254,140.45-57,123.68

Finding the Fourth Proportional to 169,411.36, 254,140.45 and 57,123.68

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Solution

The fourth proportional to 169,411.36, 254,140.45 and 57,123.68 is: 85,693.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,411.36 : 254,140.45 = 57,123.68 : x
  2. Step 2: Convert to fraction form
    169,411.36/254,140.45 = 57,123.68/x
  3. Step 3: Cross multiply
    169,411.36x = 254,140.45 × 57,123.68
  4. Step 4: Simplify right side
    169,411.36x = 14,517,437,740.86
  5. Step 5: Solve for x
    x = 14,517,437,740.86/169,411.36
  6. Step 6: Final answer
    x = 85,693.41

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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.