Home / 153,466.32-211,783.38-89,816.22

Finding the Fourth Proportional to 153,466.32, 211,783.38 and 89,816.22

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Solution

The fourth proportional to 153,466.32, 211,783.38 and 89,816.22 is: 123,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,466.32 : 211,783.38 = 89,816.22 : x
  2. Step 2: Convert to fraction form
    153,466.32/211,783.38 = 89,816.22/x
  3. Step 3: Cross multiply
    153,466.32x = 211,783.38 × 89,816.22
  4. Step 4: Simplify right side
    153,466.32x = 19,021,582,650.42
  5. Step 5: Solve for x
    x = 19,021,582,650.42/153,466.32
  6. Step 6: Final answer
    x = 123,946.30

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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.