Home / 162,730.12-224,671.98-111,726.40

Finding the Fourth Proportional to 162,730.12, 224,671.98 and 111,726.40

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Solution

The fourth proportional to 162,730.12, 224,671.98 and 111,726.40 is: 154,254.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,730.12 : 224,671.98 = 111,726.40 : x
  2. Step 2: Convert to fraction form
    162,730.12/224,671.98 = 111,726.40/x
  3. Step 3: Cross multiply
    162,730.12x = 224,671.98 × 111,726.40
  4. Step 4: Simplify right side
    162,730.12x = 25,101,791,506.27
  5. Step 5: Solve for x
    x = 25,101,791,506.27/162,730.12
  6. Step 6: Final answer
    x = 154,254.12

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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.