Home / 172,792.04-238,356.16-101,158.20

Finding the Fourth Proportional to 172,792.04, 238,356.16 and 101,158.20

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Solution

The fourth proportional to 172,792.04, 238,356.16 and 101,158.20 is: 139,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,792.04 : 238,356.16 = 101,158.20 : x
  2. Step 2: Convert to fraction form
    172,792.04/238,356.16 = 101,158.20/x
  3. Step 3: Cross multiply
    172,792.04x = 238,356.16 × 101,158.20
  4. Step 4: Simplify right side
    172,792.04x = 24,111,680,104.51
  5. Step 5: Solve for x
    x = 24,111,680,104.51/172,792.04
  6. Step 6: Final answer
    x = 139,541.61

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1.5x scale

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.