Home / 127,280.50-175,647.09-70,697.14

Finding the Fourth Proportional to 127,280.50, 175,647.09 and 70,697.14

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Solution

The fourth proportional to 127,280.50, 175,647.09 and 70,697.14 is: 97,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,280.50 : 175,647.09 = 70,697.14 : x
  2. Step 2: Convert to fraction form
    127,280.50/175,647.09 = 70,697.14/x
  3. Step 3: Cross multiply
    127,280.50x = 175,647.09 × 70,697.14
  4. Step 4: Simplify right side
    127,280.50x = 12,417,746,912.32
  5. Step 5: Solve for x
    x = 12,417,746,912.32/127,280.50
  6. Step 6: Final answer
    x = 97,562.05

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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.