Home / 127,612.07-191,536.52-64,476.53

Finding the Fourth Proportional to 127,612.07, 191,536.52 and 64,476.53

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Solution

The fourth proportional to 127,612.07, 191,536.52 and 64,476.53 is: 96,774.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,612.07 : 191,536.52 = 64,476.53 : x
  2. Step 2: Convert to fraction form
    127,612.07/191,536.52 = 64,476.53/x
  3. Step 3: Cross multiply
    127,612.07x = 191,536.52 × 64,476.53
  4. Step 4: Simplify right side
    127,612.07x = 12,349,608,897.81
  5. Step 5: Solve for x
    x = 12,349,608,897.81/127,612.07
  6. Step 6: Final answer
    x = 96,774.62

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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.