Home / 127,856.40-191,784.33-34,362.15

Finding the Fourth Proportional to 127,856.40, 191,784.33 and 34,362.15

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Solution

The fourth proportional to 127,856.40, 191,784.33 and 34,362.15 is: 51,543.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,856.40 : 191,784.33 = 34,362.15 : x
  2. Step 2: Convert to fraction form
    127,856.40/191,784.33 = 34,362.15/x
  3. Step 3: Cross multiply
    127,856.40x = 191,784.33 × 34,362.15
  4. Step 4: Simplify right side
    127,856.40x = 6,590,121,915.11
  5. Step 5: Solve for x
    x = 6,590,121,915.11/127,856.40
  6. Step 6: Final answer
    x = 51,543.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.