Home / 125,904.60-188,835.30-46,978.20

Finding the Fourth Proportional to 125,904.60, 188,835.30 and 46,978.20

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Solution

The fourth proportional to 125,904.60, 188,835.30 and 46,978.20 is: 70,459.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,904.60 : 188,835.30 = 46,978.20 : x
  2. Step 2: Convert to fraction form
    125,904.60/188,835.30 = 46,978.20/x
  3. Step 3: Cross multiply
    125,904.60x = 188,835.30 × 46,978.20
  4. Step 4: Simplify right side
    125,904.60x = 8,871,142,490.46
  5. Step 5: Solve for x
    x = 8,871,142,490.46/125,904.60
  6. Step 6: Final answer
    x = 70,459.24

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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.