Home / 127,188.55-175,511.41-70,595.47

Finding the Fourth Proportional to 127,188.55, 175,511.41 and 70,595.47

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Solution

The fourth proportional to 127,188.55, 175,511.41 and 70,595.47 is: 97,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,188.55 : 175,511.41 = 70,595.47 : x
  2. Step 2: Convert to fraction form
    127,188.55/175,511.41 = 70,595.47/x
  3. Step 3: Cross multiply
    127,188.55x = 175,511.41 × 70,595.47
  4. Step 4: Simplify right side
    127,188.55x = 12,390,310,479.31
  5. Step 5: Solve for x
    x = 12,390,310,479.31/127,188.55
  6. Step 6: Final answer
    x = 97,416.87

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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.