Home / 127,343.30-191,014.95-97,818.80

Finding the Fourth Proportional to 127,343.30, 191,014.95 and 97,818.80

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Solution

The fourth proportional to 127,343.30, 191,014.95 and 97,818.80 is: 146,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,343.30 : 191,014.95 = 97,818.80 : x
  2. Step 2: Convert to fraction form
    127,343.30/191,014.95 = 97,818.80/x
  3. Step 3: Cross multiply
    127,343.30x = 191,014.95 × 97,818.80
  4. Step 4: Simplify right side
    127,343.30x = 18,684,853,191.06
  5. Step 5: Solve for x
    x = 18,684,853,191.06/127,343.30
  6. Step 6: Final answer
    x = 146,728.20

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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.