Home / 179,254.80-247,362.74-98,689.38

Finding the Fourth Proportional to 179,254.80, 247,362.74 and 98,689.38

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Solution

The fourth proportional to 179,254.80, 247,362.74 and 98,689.38 is: 136,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,254.80 : 247,362.74 = 98,689.38 : x
  2. Step 2: Convert to fraction form
    179,254.80/247,362.74 = 98,689.38/x
  3. Step 3: Cross multiply
    179,254.80x = 247,362.74 × 98,689.38
  4. Step 4: Simplify right side
    179,254.80x = 24,412,075,445.70
  5. Step 5: Solve for x
    x = 24,412,075,445.70/179,254.80
  6. Step 6: Final answer
    x = 136,186.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.