Home / 147,455.69-203,424.68-93,711.92

Finding the Fourth Proportional to 147,455.69, 203,424.68 and 93,711.92

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Solution

The fourth proportional to 147,455.69, 203,424.68 and 93,711.92 is: 129,281.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,455.69 : 203,424.68 = 93,711.92 : x
  2. Step 2: Convert to fraction form
    147,455.69/203,424.68 = 93,711.92/x
  3. Step 3: Cross multiply
    147,455.69x = 203,424.68 × 93,711.92
  4. Step 4: Simplify right side
    147,455.69x = 19,063,316,555.34
  5. Step 5: Solve for x
    x = 19,063,316,555.34/147,455.69
  6. Step 6: Final answer
    x = 129,281.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.