Home / 153,457.47-211,781.94-93,030.66

Finding the Fourth Proportional to 153,457.47, 211,781.94 and 93,030.66

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Solution

The fourth proportional to 153,457.47, 211,781.94 and 93,030.66 is: 128,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,457.47 : 211,781.94 = 93,030.66 : x
  2. Step 2: Convert to fraction form
    153,457.47/211,781.94 = 93,030.66/x
  3. Step 3: Cross multiply
    153,457.47x = 211,781.94 × 93,030.66
  4. Step 4: Simplify right side
    153,457.47x = 19,702,213,654.28
  5. Step 5: Solve for x
    x = 19,702,213,654.28/153,457.47
  6. Step 6: Final answer
    x = 128,388.76

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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.