Home / 127,210.68-175,626.81-79,528.59

Finding the Fourth Proportional to 127,210.68, 175,626.81 and 79,528.59

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Solution

The fourth proportional to 127,210.68, 175,626.81 and 79,528.59 is: 109,797.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,210.68 : 175,626.81 = 79,528.59 : x
  2. Step 2: Convert to fraction form
    127,210.68/175,626.81 = 79,528.59/x
  3. Step 3: Cross multiply
    127,210.68x = 175,626.81 × 79,528.59
  4. Step 4: Simplify right side
    127,210.68x = 13,967,352,565.50
  5. Step 5: Solve for x
    x = 13,967,352,565.50/127,210.68
  6. Step 6: Final answer
    x = 109,797.01

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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.