Home / 176,122.87-243,061.60-99,641.94

Finding the Fourth Proportional to 176,122.87, 243,061.60 and 99,641.94

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Solution

The fourth proportional to 176,122.87, 243,061.60 and 99,641.94 is: 137,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,122.87 : 243,061.60 = 99,641.94 : x
  2. Step 2: Convert to fraction form
    176,122.87/243,061.60 = 99,641.94/x
  3. Step 3: Cross multiply
    176,122.87x = 243,061.60 × 99,641.94
  4. Step 4: Simplify right side
    176,122.87x = 24,219,130,252.48
  5. Step 5: Solve for x
    x = 24,219,130,252.48/176,122.87
  6. Step 6: Final answer
    x = 137,512.69

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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.