Home / 127,001.27-190,368.55-42,732.18

Finding the Fourth Proportional to 127,001.27, 190,368.55 and 42,732.18

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Solution

The fourth proportional to 127,001.27, 190,368.55 and 42,732.18 is: 64,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,001.27 : 190,368.55 = 42,732.18 : x
  2. Step 2: Convert to fraction form
    127,001.27/190,368.55 = 42,732.18/x
  3. Step 3: Cross multiply
    127,001.27x = 190,368.55 × 42,732.18
  4. Step 4: Simplify right side
    127,001.27x = 8,134,863,038.11
  5. Step 5: Solve for x
    x = 8,134,863,038.11/127,001.27
  6. Step 6: Final answer
    x = 64,053.40

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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.