Home / 127,599.48-191,421.90-38,842.92

Finding the Fourth Proportional to 127,599.48, 191,421.90 and 38,842.92

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Solution

The fourth proportional to 127,599.48, 191,421.90 and 38,842.92 is: 58,271.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,599.48 : 191,421.90 = 38,842.92 : x
  2. Step 2: Convert to fraction form
    127,599.48/191,421.90 = 38,842.92/x
  3. Step 3: Cross multiply
    127,599.48x = 191,421.90 × 38,842.92
  4. Step 4: Simplify right side
    127,599.48x = 7,435,385,547.95
  5. Step 5: Solve for x
    x = 7,435,385,547.95/127,599.48
  6. Step 6: Final answer
    x = 58,271.28

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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.