Home / 189,088.09-282,979.58-117,011.45

Finding the Fourth Proportional to 189,088.09, 282,979.58 and 117,011.45

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Solution

The fourth proportional to 189,088.09, 282,979.58 and 117,011.45 is: 175,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,088.09 : 282,979.58 = 117,011.45 : x
  2. Step 2: Convert to fraction form
    189,088.09/282,979.58 = 117,011.45/x
  3. Step 3: Cross multiply
    189,088.09x = 282,979.58 × 117,011.45
  4. Step 4: Simplify right side
    189,088.09x = 33,111,851,098.58
  5. Step 5: Solve for x
    x = 33,111,851,098.58/189,088.09
  6. Step 6: Final answer
    x = 175,113.36

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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.