Home / 134,510.56-185,663.28-89,928.16

Finding the Fourth Proportional to 134,510.56, 185,663.28 and 89,928.16

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Solution

The fourth proportional to 134,510.56, 185,663.28 and 89,928.16 is: 124,126.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,510.56 : 185,663.28 = 89,928.16 : x
  2. Step 2: Convert to fraction form
    134,510.56/185,663.28 = 89,928.16/x
  3. Step 3: Cross multiply
    134,510.56x = 185,663.28 × 89,928.16
  4. Step 4: Simplify right side
    134,510.56x = 16,696,357,149.96
  5. Step 5: Solve for x
    x = 16,696,357,149.96/134,510.56
  6. Step 6: Final answer
    x = 124,126.74

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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.