Home / 136,783.76-205,267.28-48,037.60

Finding the Fourth Proportional to 136,783.76, 205,267.28 and 48,037.60

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Solution

The fourth proportional to 136,783.76, 205,267.28 and 48,037.60 is: 72,088.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,783.76 : 205,267.28 = 48,037.60 : x
  2. Step 2: Convert to fraction form
    136,783.76/205,267.28 = 48,037.60/x
  3. Step 3: Cross multiply
    136,783.76x = 205,267.28 × 48,037.60
  4. Step 4: Simplify right side
    136,783.76x = 9,860,547,489.73
  5. Step 5: Solve for x
    x = 9,860,547,489.73/136,783.76
  6. Step 6: Final answer
    x = 72,088.58

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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.