Home / 170,001.12-254,681.76-99,671.52

Finding the Fourth Proportional to 170,001.12, 254,681.76 and 99,671.52

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Solution

The fourth proportional to 170,001.12, 254,681.76 and 99,671.52 is: 149,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,001.12 : 254,681.76 = 99,671.52 : x
  2. Step 2: Convert to fraction form
    170,001.12/254,681.76 = 99,671.52/x
  3. Step 3: Cross multiply
    170,001.12x = 254,681.76 × 99,671.52
  4. Step 4: Simplify right side
    170,001.12x = 25,384,518,135.48
  5. Step 5: Solve for x
    x = 25,384,518,135.48/170,001.12
  6. Step 6: Final answer
    x = 149,319.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.