Home / 127,586.98-176,068.64-70,225.07

Finding the Fourth Proportional to 127,586.98, 176,068.64 and 70,225.07

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Solution

The fourth proportional to 127,586.98, 176,068.64 and 70,225.07 is: 96,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,586.98 : 176,068.64 = 70,225.07 : x
  2. Step 2: Convert to fraction form
    127,586.98/176,068.64 = 70,225.07/x
  3. Step 3: Cross multiply
    127,586.98x = 176,068.64 × 70,225.07
  4. Step 4: Simplify right side
    127,586.98x = 12,364,432,335.60
  5. Step 5: Solve for x
    x = 12,364,432,335.60/127,586.98
  6. Step 6: Final answer
    x = 96,909.83

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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.