Home / 459,058.36-688,125.61-189,383.18

Finding the Fourth Proportional to 459,058.36, 688,125.61 and 189,383.18

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Solution

The fourth proportional to 459,058.36, 688,125.61 and 189,383.18 is: 283,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,058.36 : 688,125.61 = 189,383.18 : x
  2. Step 2: Convert to fraction form
    459,058.36/688,125.61 = 189,383.18/x
  3. Step 3: Cross multiply
    459,058.36x = 688,125.61 × 189,383.18
  4. Step 4: Simplify right side
    459,058.36x = 130,319,417,981.55
  5. Step 5: Solve for x
    x = 130,319,417,981.55/459,058.36
  6. Step 6: Final answer
    x = 283,884.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.