Home / 127,374.19-175,776.48-70,785.56

Finding the Fourth Proportional to 127,374.19, 175,776.48 and 70,785.56

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Solution

The fourth proportional to 127,374.19, 175,776.48 and 70,785.56 is: 97,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,374.19 : 175,776.48 = 70,785.56 : x
  2. Step 2: Convert to fraction form
    127,374.19/175,776.48 = 70,785.56/x
  3. Step 3: Cross multiply
    127,374.19x = 175,776.48 × 70,785.56
  4. Step 4: Simplify right side
    127,374.19x = 12,442,437,011.07
  5. Step 5: Solve for x
    x = 12,442,437,011.07/127,374.19
  6. Step 6: Final answer
    x = 97,684.13

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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.