Home / 127,925.70-191,888.55-101,199.30

Finding the Fourth Proportional to 127,925.70, 191,888.55 and 101,199.30

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Solution

The fourth proportional to 127,925.70, 191,888.55 and 101,199.30 is: 151,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,925.70 : 191,888.55 = 101,199.30 : x
  2. Step 2: Convert to fraction form
    127,925.70/191,888.55 = 101,199.30/x
  3. Step 3: Cross multiply
    127,925.70x = 191,888.55 × 101,199.30
  4. Step 4: Simplify right side
    127,925.70x = 19,418,986,938.02
  5. Step 5: Solve for x
    x = 19,418,986,938.02/127,925.70
  6. Step 6: Final answer
    x = 151,798.95

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1.5x scale

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.