Home / 153,168.36-211,341.09-89,493.84

Finding the Fourth Proportional to 153,168.36, 211,341.09 and 89,493.84

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Solution

The fourth proportional to 153,168.36, 211,341.09 and 89,493.84 is: 123,483.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,168.36 : 211,341.09 = 89,493.84 : x
  2. Step 2: Convert to fraction form
    153,168.36/211,341.09 = 89,493.84/x
  3. Step 3: Cross multiply
    153,168.36x = 211,341.09 × 89,493.84
  4. Step 4: Simplify right side
    153,168.36x = 18,913,725,693.89
  5. Step 5: Solve for x
    x = 18,913,725,693.89/153,168.36
  6. Step 6: Final answer
    x = 123,483.24

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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.