Home / 478,105.02-716,990.35-141,056.19

Finding the Fourth Proportional to 478,105.02, 716,990.35 and 141,056.19

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Solution

The fourth proportional to 478,105.02, 716,990.35 and 141,056.19 is: 211,534.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,105.02 : 716,990.35 = 141,056.19 : x
  2. Step 2: Convert to fraction form
    478,105.02/716,990.35 = 141,056.19/x
  3. Step 3: Cross multiply
    478,105.02x = 716,990.35 × 141,056.19
  4. Step 4: Simplify right side
    478,105.02x = 101,135,927,037.77
  5. Step 5: Solve for x
    x = 101,135,927,037.77/478,105.02
  6. Step 6: Final answer
    x = 211,534.96

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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.