Home / 305,532.16-458,238.96-153,688.80

Finding the Fourth Proportional to 305,532.16, 458,238.96 and 153,688.80

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Solution

The fourth proportional to 305,532.16, 458,238.96 and 153,688.80 is: 230,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,532.16 : 458,238.96 = 153,688.80 : x
  2. Step 2: Convert to fraction form
    305,532.16/458,238.96 = 153,688.80/x
  3. Step 3: Cross multiply
    305,532.16x = 458,238.96 × 153,688.80
  4. Step 4: Simplify right side
    305,532.16x = 70,426,195,875.65
  5. Step 5: Solve for x
    x = 70,426,195,875.65/305,532.16
  6. Step 6: Final answer
    x = 230,503.38

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1.5x scale

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.