Home / 235,121.16-324,457.98-127,688.76

Finding the Fourth Proportional to 235,121.16, 324,457.98 and 127,688.76

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Solution

The fourth proportional to 235,121.16, 324,457.98 and 127,688.76 is: 176,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,121.16 : 324,457.98 = 127,688.76 : x
  2. Step 2: Convert to fraction form
    235,121.16/324,457.98 = 127,688.76/x
  3. Step 3: Cross multiply
    235,121.16x = 324,457.98 × 127,688.76
  4. Step 4: Simplify right side
    235,121.16x = 41,429,637,138.30
  5. Step 5: Solve for x
    x = 41,429,637,138.30/235,121.16
  6. Step 6: Final answer
    x = 176,205.48

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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.