Home / 103,037.47-155,376.02-101,632.32

Finding the Fourth Proportional to 103,037.47, 155,376.02 and 101,632.32

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Solution

The fourth proportional to 103,037.47, 155,376.02 and 101,632.32 is: 153,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,037.47 : 155,376.02 = 101,632.32 : x
  2. Step 2: Convert to fraction form
    103,037.47/155,376.02 = 101,632.32/x
  3. Step 3: Cross multiply
    103,037.47x = 155,376.02 × 101,632.32
  4. Step 4: Simplify right side
    103,037.47x = 15,791,225,639.05
  5. Step 5: Solve for x
    x = 15,791,225,639.05/103,037.47
  6. Step 6: Final answer
    x = 153,257.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.