Home / 152,374.40-210,289.68-88,732.16

Finding the Fourth Proportional to 152,374.40, 210,289.68 and 88,732.16

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Solution

The fourth proportional to 152,374.40, 210,289.68 and 88,732.16 is: 122,457.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,374.40 : 210,289.68 = 88,732.16 : x
  2. Step 2: Convert to fraction form
    152,374.40/210,289.68 = 88,732.16/x
  3. Step 3: Cross multiply
    152,374.40x = 210,289.68 × 88,732.16
  4. Step 4: Simplify right side
    152,374.40x = 18,659,457,532.11
  5. Step 5: Solve for x
    x = 18,659,457,532.11/152,374.40
  6. Step 6: Final answer
    x = 122,457.96

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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.