Home / 130,565.40-195,848.10-122,692.20

Finding the Fourth Proportional to 130,565.40, 195,848.10 and 122,692.20

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Solution

The fourth proportional to 130,565.40, 195,848.10 and 122,692.20 is: 184,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,565.40 : 195,848.10 = 122,692.20 : x
  2. Step 2: Convert to fraction form
    130,565.40/195,848.10 = 122,692.20/x
  3. Step 3: Cross multiply
    130,565.40x = 195,848.10 × 122,692.20
  4. Step 4: Simplify right side
    130,565.40x = 24,029,034,254.82
  5. Step 5: Solve for x
    x = 24,029,034,254.82/130,565.40
  6. Step 6: Final answer
    x = 184,038.30

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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.