Home / 176,700.39-243,835.02-105,085.86

Finding the Fourth Proportional to 176,700.39, 243,835.02 and 105,085.86

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Solution

The fourth proportional to 176,700.39, 243,835.02 and 105,085.86 is: 145,011.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,700.39 : 243,835.02 = 105,085.86 : x
  2. Step 2: Convert to fraction form
    176,700.39/243,835.02 = 105,085.86/x
  3. Step 3: Cross multiply
    176,700.39x = 243,835.02 × 105,085.86
  4. Step 4: Simplify right side
    176,700.39x = 25,623,612,774.82
  5. Step 5: Solve for x
    x = 25,623,612,774.82/176,700.39
  6. Step 6: Final answer
    x = 145,011.64

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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.