Home / 127,436.13-175,873.06-70,085.55

Finding the Fourth Proportional to 127,436.13, 175,873.06 and 70,085.55

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Solution

The fourth proportional to 127,436.13, 175,873.06 and 70,085.55 is: 96,724.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,436.13 : 175,873.06 = 70,085.55 : x
  2. Step 2: Convert to fraction form
    127,436.13/175,873.06 = 70,085.55/x
  3. Step 3: Cross multiply
    127,436.13x = 175,873.06 × 70,085.55
  4. Step 4: Simplify right side
    127,436.13x = 12,326,159,965.07
  5. Step 5: Solve for x
    x = 12,326,159,965.07/127,436.13
  6. Step 6: Final answer
    x = 96,724.22

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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.