Home / 127,018.23-190,527.68-42,837.53

Finding the Fourth Proportional to 127,018.23, 190,527.68 and 42,837.53

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Solution

The fourth proportional to 127,018.23, 190,527.68 and 42,837.53 is: 64,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,018.23 : 190,527.68 = 42,837.53 : x
  2. Step 2: Convert to fraction form
    127,018.23/190,527.68 = 42,837.53/x
  3. Step 3: Cross multiply
    127,018.23x = 190,527.68 × 42,837.53
  4. Step 4: Simplify right side
    127,018.23x = 8,161,734,854.65
  5. Step 5: Solve for x
    x = 8,161,734,854.65/127,018.23
  6. Step 6: Final answer
    x = 64,256.40

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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.