Home / 127,396.13-191,123.64-37,440.18

Finding the Fourth Proportional to 127,396.13, 191,123.64 and 37,440.18

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Solution

The fourth proportional to 127,396.13, 191,123.64 and 37,440.18 is: 56,168.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,396.13 : 191,123.64 = 37,440.18 : x
  2. Step 2: Convert to fraction form
    127,396.13/191,123.64 = 37,440.18/x
  3. Step 3: Cross multiply
    127,396.13x = 191,123.64 × 37,440.18
  4. Step 4: Simplify right side
    127,396.13x = 7,155,703,483.86
  5. Step 5: Solve for x
    x = 7,155,703,483.86/127,396.13
  6. Step 6: Final answer
    x = 56,168.93

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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.