Home / 153,607.32-211,982.60-89,939.16

Finding the Fourth Proportional to 153,607.32, 211,982.60 and 89,939.16

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Solution

The fourth proportional to 153,607.32, 211,982.60 and 89,939.16 is: 124,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,607.32 : 211,982.60 = 89,939.16 : x
  2. Step 2: Convert to fraction form
    153,607.32/211,982.60 = 89,939.16/x
  3. Step 3: Cross multiply
    153,607.32x = 211,982.60 × 89,939.16
  4. Step 4: Simplify right side
    153,607.32x = 19,065,536,978.62
  5. Step 5: Solve for x
    x = 19,065,536,978.62/153,607.32
  6. Step 6: Final answer
    x = 124,118.67

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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.