Home / 158,897.35-219,279.93-86,301.66

Finding the Fourth Proportional to 158,897.35, 219,279.93 and 86,301.66

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Solution

The fourth proportional to 158,897.35, 219,279.93 and 86,301.66 is: 119,097.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,897.35 : 219,279.93 = 86,301.66 : x
  2. Step 2: Convert to fraction form
    158,897.35/219,279.93 = 86,301.66/x
  3. Step 3: Cross multiply
    158,897.35x = 219,279.93 × 86,301.66
  4. Step 4: Simplify right side
    158,897.35x = 18,924,221,532.18
  5. Step 5: Solve for x
    x = 18,924,221,532.18/158,897.35
  6. Step 6: Final answer
    x = 119,097.15

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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.