Home / 127,085.48-175,398.92-70,515.08

Finding the Fourth Proportional to 127,085.48, 175,398.92 and 70,515.08

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Solution

The fourth proportional to 127,085.48, 175,398.92 and 70,515.08 is: 97,322.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,085.48 : 175,398.92 = 70,515.08 : x
  2. Step 2: Convert to fraction form
    127,085.48/175,398.92 = 70,515.08/x
  3. Step 3: Cross multiply
    127,085.48x = 175,398.92 × 70,515.08
  4. Step 4: Simplify right side
    127,085.48x = 12,368,268,875.71
  5. Step 5: Solve for x
    x = 12,368,268,875.71/127,085.48
  6. Step 6: Final answer
    x = 97,322.44

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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.