Home / 117,303.38-175,928.05-69,931.81

Finding the Fourth Proportional to 117,303.38, 175,928.05 and 69,931.81

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Solution

The fourth proportional to 117,303.38, 175,928.05 and 69,931.81 is: 104,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,303.38 : 175,928.05 = 69,931.81 : x
  2. Step 2: Convert to fraction form
    117,303.38/175,928.05 = 69,931.81/x
  3. Step 3: Cross multiply
    117,303.38x = 175,928.05 × 69,931.81
  4. Step 4: Simplify right side
    117,303.38x = 12,302,966,966.27
  5. Step 5: Solve for x
    x = 12,302,966,966.27/117,303.38
  6. Step 6: Final answer
    x = 104,881.61

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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.