Home / 158,897.85-219,280.62-86,302.16

Finding the Fourth Proportional to 158,897.85, 219,280.62 and 86,302.16

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Solution

The fourth proportional to 158,897.85, 219,280.62 and 86,302.16 is: 119,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,897.85 : 219,280.62 = 86,302.16 : x
  2. Step 2: Convert to fraction form
    158,897.85/219,280.62 = 86,302.16/x
  3. Step 3: Cross multiply
    158,897.85x = 219,280.62 × 86,302.16
  4. Step 4: Simplify right side
    158,897.85x = 18,924,390,055.74
  5. Step 5: Solve for x
    x = 18,924,390,055.74/158,897.85
  6. Step 6: Final answer
    x = 119,097.84

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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.