Home / 499,688.83-749,424.69-158,158.81

Finding the Fourth Proportional to 499,688.83, 749,424.69 and 158,158.81

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Solution

The fourth proportional to 499,688.83, 749,424.69 and 158,158.81 is: 237,203.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,688.83 : 749,424.69 = 158,158.81 : x
  2. Step 2: Convert to fraction form
    499,688.83/749,424.69 = 158,158.81/x
  3. Step 3: Cross multiply
    499,688.83x = 749,424.69 × 158,158.81
  4. Step 4: Simplify right side
    499,688.83x = 118,528,117,155.02
  5. Step 5: Solve for x
    x = 118,528,117,155.02/499,688.83
  6. Step 6: Final answer
    x = 237,203.86

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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.