Home / 176,470.85-243,516.98-99,991.46

Finding the Fourth Proportional to 176,470.85, 243,516.98 and 99,991.46

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Solution

The fourth proportional to 176,470.85, 243,516.98 and 99,991.46 is: 137,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,470.85 : 243,516.98 = 99,991.46 : x
  2. Step 2: Convert to fraction form
    176,470.85/243,516.98 = 99,991.46/x
  3. Step 3: Cross multiply
    176,470.85x = 243,516.98 × 99,991.46
  4. Step 4: Simplify right side
    176,470.85x = 24,349,619,223.76
  5. Step 5: Solve for x
    x = 24,349,619,223.76/176,470.85
  6. Step 6: Final answer
    x = 137,980.97

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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.