Home / 147,552.90-203,641.29-90,180.42

Finding the Fourth Proportional to 147,552.90, 203,641.29 and 90,180.42

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Solution

The fourth proportional to 147,552.90, 203,641.29 and 90,180.42 is: 124,460.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,552.90 : 203,641.29 = 90,180.42 : x
  2. Step 2: Convert to fraction form
    147,552.90/203,641.29 = 90,180.42/x
  3. Step 3: Cross multiply
    147,552.90x = 203,641.29 × 90,180.42
  4. Step 4: Simplify right side
    147,552.90x = 18,364,457,061.54
  5. Step 5: Solve for x
    x = 18,364,457,061.54/147,552.90
  6. Step 6: Final answer
    x = 124,460.16

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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.