Home / 152,577.40-210,569.28-84,615.72

Finding the Fourth Proportional to 152,577.40, 210,569.28 and 84,615.72

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Solution

The fourth proportional to 152,577.40, 210,569.28 and 84,615.72 is: 116,776.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,577.40 : 210,569.28 = 84,615.72 : x
  2. Step 2: Convert to fraction form
    152,577.40/210,569.28 = 84,615.72/x
  3. Step 3: Cross multiply
    152,577.40x = 210,569.28 × 84,615.72
  4. Step 4: Simplify right side
    152,577.40x = 17,817,471,237.08
  5. Step 5: Solve for x
    x = 17,817,471,237.08/152,577.40
  6. Step 6: Final answer
    x = 116,776.61

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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.