Home / 185,695.40-278,543.10-173,885.60

Finding the Fourth Proportional to 185,695.40, 278,543.10 and 173,885.60

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Solution

The fourth proportional to 185,695.40, 278,543.10 and 173,885.60 is: 260,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,695.40 : 278,543.10 = 173,885.60 : x
  2. Step 2: Convert to fraction form
    185,695.40/278,543.10 = 173,885.60/x
  3. Step 3: Cross multiply
    185,695.40x = 278,543.10 × 173,885.60
  4. Step 4: Simplify right side
    185,695.40x = 48,434,634,069.36
  5. Step 5: Solve for x
    x = 48,434,634,069.36/185,695.40
  6. Step 6: Final answer
    x = 260,828.40

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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.