Home / 153,033.48-211,162.07-88,478.71

Finding the Fourth Proportional to 153,033.48, 211,162.07 and 88,478.71

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Solution

The fourth proportional to 153,033.48, 211,162.07 and 88,478.71 is: 122,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,033.48 : 211,162.07 = 88,478.71 : x
  2. Step 2: Convert to fraction form
    153,033.48/211,162.07 = 88,478.71/x
  3. Step 3: Cross multiply
    153,033.48x = 211,162.07 × 88,478.71
  4. Step 4: Simplify right side
    153,033.48x = 18,683,347,247.82
  5. Step 5: Solve for x
    x = 18,683,347,247.82/153,033.48
  6. Step 6: Final answer
    x = 122,086.67

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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.