Home / 152,931.93-229,271.55-67,481.94

Finding the Fourth Proportional to 152,931.93, 229,271.55 and 67,481.94

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Solution

The fourth proportional to 152,931.93, 229,271.55 and 67,481.94 is: 101,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,931.93 : 229,271.55 = 67,481.94 : x
  2. Step 2: Convert to fraction form
    152,931.93/229,271.55 = 67,481.94/x
  3. Step 3: Cross multiply
    152,931.93x = 229,271.55 × 67,481.94
  4. Step 4: Simplify right side
    152,931.93x = 15,471,688,980.81
  5. Step 5: Solve for x
    x = 15,471,688,980.81/152,931.93
  6. Step 6: Final answer
    x = 101,167.16

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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.