Home / 127,613.12-191,538.08-64,477.59

Finding the Fourth Proportional to 127,613.12, 191,538.08 and 64,477.59

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Solution

The fourth proportional to 127,613.12, 191,538.08 and 64,477.59 is: 96,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,613.12 : 191,538.08 = 64,477.59 : x
  2. Step 2: Convert to fraction form
    127,613.12/191,538.08 = 64,477.59/x
  3. Step 3: Cross multiply
    127,613.12x = 191,538.08 × 64,477.59
  4. Step 4: Simplify right side
    127,613.12x = 12,349,913,469.24
  5. Step 5: Solve for x
    x = 12,349,913,469.24/127,613.12
  6. Step 6: Final answer
    x = 96,776.21

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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.