Home / 124,803.18-172,228.14-71,088.18

Finding the Fourth Proportional to 124,803.18, 172,228.14 and 71,088.18

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Solution

The fourth proportional to 124,803.18, 172,228.14 and 71,088.18 is: 98,101.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,803.18 : 172,228.14 = 71,088.18 : x
  2. Step 2: Convert to fraction form
    124,803.18/172,228.14 = 71,088.18/x
  3. Step 3: Cross multiply
    124,803.18x = 172,228.14 × 71,088.18
  4. Step 4: Simplify right side
    124,803.18x = 12,243,385,017.39
  5. Step 5: Solve for x
    x = 12,243,385,017.39/124,803.18
  6. Step 6: Final answer
    x = 98,101.55

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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.