Home / 162,597.06-243,948.63-72,628.81

Finding the Fourth Proportional to 162,597.06, 243,948.63 and 72,628.81

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Solution

The fourth proportional to 162,597.06, 243,948.63 and 72,628.81 is: 108,966.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,597.06 : 243,948.63 = 72,628.81 : x
  2. Step 2: Convert to fraction form
    162,597.06/243,948.63 = 72,628.81/x
  3. Step 3: Cross multiply
    162,597.06x = 243,948.63 × 72,628.81
  4. Step 4: Simplify right side
    162,597.06x = 17,717,698,698.03
  5. Step 5: Solve for x
    x = 17,717,698,698.03/162,597.06
  6. Step 6: Final answer
    x = 108,966.91

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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.