Home / 112,007.46-167,877.63-78,090.06

Finding the Fourth Proportional to 112,007.46, 167,877.63 and 78,090.06

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Solution

The fourth proportional to 112,007.46, 167,877.63 and 78,090.06 is: 117,041.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,007.46 : 167,877.63 = 78,090.06 : x
  2. Step 2: Convert to fraction form
    112,007.46/167,877.63 = 78,090.06/x
  3. Step 3: Cross multiply
    112,007.46x = 167,877.63 × 78,090.06
  4. Step 4: Simplify right side
    112,007.46x = 13,109,574,199.36
  5. Step 5: Solve for x
    x = 13,109,574,199.36/112,007.46
  6. Step 6: Final answer
    x = 117,041.97

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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.