Home / 112,077.70-168,444.60-110,109.40

Finding the Fourth Proportional to 112,077.70, 168,444.60 and 110,109.40

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Solution

The fourth proportional to 112,077.70, 168,444.60 and 110,109.40 is: 165,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,077.70 : 168,444.60 = 110,109.40 : x
  2. Step 2: Convert to fraction form
    112,077.70/168,444.60 = 110,109.40/x
  3. Step 3: Cross multiply
    112,077.70x = 168,444.60 × 110,109.40
  4. Step 4: Simplify right side
    112,077.70x = 18,547,333,839.24
  5. Step 5: Solve for x
    x = 18,547,333,839.24/112,077.70
  6. Step 6: Final answer
    x = 165,486.39

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1.5x scale

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.