Home / 127,117.92-190,678.23-38,372.16

Finding the Fourth Proportional to 127,117.92, 190,678.23 and 38,372.16

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Solution

The fourth proportional to 127,117.92, 190,678.23 and 38,372.16 is: 57,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,117.92 : 190,678.23 = 38,372.16 : x
  2. Step 2: Convert to fraction form
    127,117.92/190,678.23 = 38,372.16/x
  3. Step 3: Cross multiply
    127,117.92x = 190,678.23 × 38,372.16
  4. Step 4: Simplify right side
    127,117.92x = 7,316,735,550.08
  5. Step 5: Solve for x
    x = 7,316,735,550.08/127,117.92
  6. Step 6: Final answer
    x = 57,558.65

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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.