Home / 107,001.18-160,255.04-76,828.10

Finding the Fourth Proportional to 107,001.18, 160,255.04 and 76,828.10

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Solution

The fourth proportional to 107,001.18, 160,255.04 and 76,828.10 is: 115,065.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,001.18 : 160,255.04 = 76,828.10 : x
  2. Step 2: Convert to fraction form
    107,001.18/160,255.04 = 76,828.10/x
  3. Step 3: Cross multiply
    107,001.18x = 160,255.04 × 76,828.10
  4. Step 4: Simplify right side
    107,001.18x = 12,312,090,255.12
  5. Step 5: Solve for x
    x = 12,312,090,255.12/107,001.18
  6. Step 6: Final answer
    x = 115,065.00

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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.