Home / 175,345.48-262,608.16-86,312.72

Finding the Fourth Proportional to 175,345.48, 262,608.16 and 86,312.72

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Solution

The fourth proportional to 175,345.48, 262,608.16 and 86,312.72 is: 129,267.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,345.48 : 262,608.16 = 86,312.72 : x
  2. Step 2: Convert to fraction form
    175,345.48/262,608.16 = 86,312.72/x
  3. Step 3: Cross multiply
    175,345.48x = 262,608.16 × 86,312.72
  4. Step 4: Simplify right side
    175,345.48x = 22,666,424,583.80
  5. Step 5: Solve for x
    x = 22,666,424,583.80/175,345.48
  6. Step 6: Final answer
    x = 129,267.23

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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.