Home / 117,514.08-162,045.45-83,487.06

Finding the Fourth Proportional to 117,514.08, 162,045.45 and 83,487.06

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Solution

The fourth proportional to 117,514.08, 162,045.45 and 83,487.06 is: 115,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,514.08 : 162,045.45 = 83,487.06 : x
  2. Step 2: Convert to fraction form
    117,514.08/162,045.45 = 83,487.06/x
  3. Step 3: Cross multiply
    117,514.08x = 162,045.45 × 83,487.06
  4. Step 4: Simplify right side
    117,514.08x = 13,528,698,206.88
  5. Step 5: Solve for x
    x = 13,528,698,206.88/117,514.08
  6. Step 6: Final answer
    x = 115,124.06

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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.