Home / 176,140.90-243,048.60-98,612.54

Finding the Fourth Proportional to 176,140.90, 243,048.60 and 98,612.54

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Solution

The fourth proportional to 176,140.90, 243,048.60 and 98,612.54 is: 136,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,140.90 : 243,048.60 = 98,612.54 : x
  2. Step 2: Convert to fraction form
    176,140.90/243,048.60 = 98,612.54/x
  3. Step 3: Cross multiply
    176,140.90x = 243,048.60 × 98,612.54
  4. Step 4: Simplify right side
    176,140.90x = 23,967,639,485.63
  5. Step 5: Solve for x
    x = 23,967,639,485.63/176,140.90
  6. Step 6: Final answer
    x = 136,070.83

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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.