Home / 191,078.02-286,657.78-64,713.84

Finding the Fourth Proportional to 191,078.02, 286,657.78 and 64,713.84

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Solution

The fourth proportional to 191,078.02, 286,657.78 and 64,713.84 is: 97,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,078.02 : 286,657.78 = 64,713.84 : x
  2. Step 2: Convert to fraction form
    191,078.02/286,657.78 = 64,713.84/x
  3. Step 3: Cross multiply
    191,078.02x = 286,657.78 × 64,713.84
  4. Step 4: Simplify right side
    191,078.02x = 18,550,726,362.77
  5. Step 5: Solve for x
    x = 18,550,726,362.77/191,078.02
  6. Step 6: Final answer
    x = 97,084.56

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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.