Home / 152,616.47-210,539.67-98,918.87

Finding the Fourth Proportional to 152,616.47, 210,539.67 and 98,918.87

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Solution

The fourth proportional to 152,616.47, 210,539.67 and 98,918.87 is: 136,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,616.47 : 210,539.67 = 98,918.87 : x
  2. Step 2: Convert to fraction form
    152,616.47/210,539.67 = 98,918.87/x
  3. Step 3: Cross multiply
    152,616.47x = 210,539.67 × 98,918.87
  4. Step 4: Simplify right side
    152,616.47x = 20,826,346,246.57
  5. Step 5: Solve for x
    x = 20,826,346,246.57/152,616.47
  6. Step 6: Final answer
    x = 136,461.98

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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.