Home / 127,027.65-175,298.15-70,439.02

Finding the Fourth Proportional to 127,027.65, 175,298.15 and 70,439.02

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Solution

The fourth proportional to 127,027.65, 175,298.15 and 70,439.02 is: 97,205.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,027.65 : 175,298.15 = 70,439.02 : x
  2. Step 2: Convert to fraction form
    127,027.65/175,298.15 = 70,439.02/x
  3. Step 3: Cross multiply
    127,027.65x = 175,298.15 × 70,439.02
  4. Step 4: Simplify right side
    127,027.65x = 12,347,829,893.81
  5. Step 5: Solve for x
    x = 12,347,829,893.81/127,027.65
  6. Step 6: Final answer
    x = 97,205.84

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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.