Home / 153,457.22-211,781.60-93,030.41

Finding the Fourth Proportional to 153,457.22, 211,781.60 and 93,030.41

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Solution

The fourth proportional to 153,457.22, 211,781.60 and 93,030.41 is: 128,388.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,457.22 : 211,781.60 = 93,030.41 : x
  2. Step 2: Convert to fraction form
    153,457.22/211,781.60 = 93,030.41/x
  3. Step 3: Cross multiply
    153,457.22x = 211,781.60 × 93,030.41
  4. Step 4: Simplify right side
    153,457.22x = 19,702,129,078.46
  5. Step 5: Solve for x
    x = 19,702,129,078.46/153,457.22
  6. Step 6: Final answer
    x = 128,388.41

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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.