Home / 105,019.40-157,552.60-38,458.20

Finding the Fourth Proportional to 105,019.40, 157,552.60 and 38,458.20

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Solution

The fourth proportional to 105,019.40, 157,552.60 and 38,458.20 is: 57,695.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,019.40 : 157,552.60 = 38,458.20 : x
  2. Step 2: Convert to fraction form
    105,019.40/157,552.60 = 38,458.20/x
  3. Step 3: Cross multiply
    105,019.40x = 157,552.60 × 38,458.20
  4. Step 4: Simplify right side
    105,019.40x = 6,059,189,401.32
  5. Step 5: Solve for x
    x = 6,059,189,401.32/105,019.40
  6. Step 6: Final answer
    x = 57,695.91

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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.