Home / 374,437.40-561,656.10-108,206.60

Finding the Fourth Proportional to 374,437.40, 561,656.10 and 108,206.60

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Solution

The fourth proportional to 374,437.40, 561,656.10 and 108,206.60 is: 162,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,437.40 : 561,656.10 = 108,206.60 : x
  2. Step 2: Convert to fraction form
    374,437.40/561,656.10 = 108,206.60/x
  3. Step 3: Cross multiply
    374,437.40x = 561,656.10 × 108,206.60
  4. Step 4: Simplify right side
    374,437.40x = 60,774,896,950.26
  5. Step 5: Solve for x
    x = 60,774,896,950.26/374,437.40
  6. Step 6: Final answer
    x = 162,309.90

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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.