Home / 127,598.50-191,333.40-74,307.70

Finding the Fourth Proportional to 127,598.50, 191,333.40 and 74,307.70

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Solution

The fourth proportional to 127,598.50, 191,333.40 and 74,307.70 is: 111,424.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,598.50 : 191,333.40 = 74,307.70 : x
  2. Step 2: Convert to fraction form
    127,598.50/191,333.40 = 74,307.70/x
  3. Step 3: Cross multiply
    127,598.50x = 191,333.40 × 74,307.70
  4. Step 4: Simplify right side
    127,598.50x = 14,217,544,887.18
  5. Step 5: Solve for x
    x = 14,217,544,887.18/127,598.50
  6. Step 6: Final answer
    x = 111,424.08

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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.