Home / 97,160.72-134,143.70-79,298.33

Finding the Fourth Proportional to 97,160.72, 134,143.70 and 79,298.33

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Solution

The fourth proportional to 97,160.72, 134,143.70 and 79,298.33 is: 109,482.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,160.72 : 134,143.70 = 79,298.33 : x
  2. Step 2: Convert to fraction form
    97,160.72/134,143.70 = 79,298.33/x
  3. Step 3: Cross multiply
    97,160.72x = 134,143.70 × 79,298.33
  4. Step 4: Simplify right side
    97,160.72x = 10,637,370,322.81
  5. Step 5: Solve for x
    x = 10,637,370,322.81/97,160.72
  6. Step 6: Final answer
    x = 109,482.22

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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.