Home / 145,557.19-218,335.72-40,376.13

Finding the Fourth Proportional to 145,557.19, 218,335.72 and 40,376.13

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Solution

The fourth proportional to 145,557.19, 218,335.72 and 40,376.13 is: 60,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,557.19 : 218,335.72 = 40,376.13 : x
  2. Step 2: Convert to fraction form
    145,557.19/218,335.72 = 40,376.13/x
  3. Step 3: Cross multiply
    145,557.19x = 218,335.72 × 40,376.13
  4. Step 4: Simplify right side
    145,557.19x = 8,815,551,414.36
  5. Step 5: Solve for x
    x = 8,815,551,414.36/145,557.19
  6. Step 6: Final answer
    x = 60,564.18

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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.