Home / 374,032.20-561,242.70-163,691.40

Finding the Fourth Proportional to 374,032.20, 561,242.70 and 163,691.40

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Solution

The fourth proportional to 374,032.20, 561,242.70 and 163,691.40 is: 245,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,032.20 : 561,242.70 = 163,691.40 : x
  2. Step 2: Convert to fraction form
    374,032.20/561,242.70 = 163,691.40/x
  3. Step 3: Cross multiply
    374,032.20x = 561,242.70 × 163,691.40
  4. Step 4: Simplify right side
    374,032.20x = 91,870,603,302.78
  5. Step 5: Solve for x
    x = 91,870,603,302.78/374,032.20
  6. Step 6: Final answer
    x = 245,622.18

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1.5x scale

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.