Home / 136,526.61-188,407.65-76,101.12

Finding the Fourth Proportional to 136,526.61, 188,407.65 and 76,101.12

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Solution

The fourth proportional to 136,526.61, 188,407.65 and 76,101.12 is: 105,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,526.61 : 188,407.65 = 76,101.12 : x
  2. Step 2: Convert to fraction form
    136,526.61/188,407.65 = 76,101.12/x
  3. Step 3: Cross multiply
    136,526.61x = 188,407.65 × 76,101.12
  4. Step 4: Simplify right side
    136,526.61x = 14,338,033,466.95
  5. Step 5: Solve for x
    x = 14,338,033,466.95/136,526.61
  6. Step 6: Final answer
    x = 105,020.06

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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.