Home / 140,287.74-193,666.91-86,602.35

Finding the Fourth Proportional to 140,287.74, 193,666.91 and 86,602.35

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Solution

The fourth proportional to 140,287.74, 193,666.91 and 86,602.35 is: 119,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,287.74 : 193,666.91 = 86,602.35 : x
  2. Step 2: Convert to fraction form
    140,287.74/193,666.91 = 86,602.35/x
  3. Step 3: Cross multiply
    140,287.74x = 193,666.91 × 86,602.35
  4. Step 4: Simplify right side
    140,287.74x = 16,772,009,523.24
  5. Step 5: Solve for x
    x = 16,772,009,523.24/140,287.74
  6. Step 6: Final answer
    x = 119,554.35

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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.