Home / 130,083.46-195,036.40-69,302.81

Finding the Fourth Proportional to 130,083.46, 195,036.40 and 69,302.81

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Solution

The fourth proportional to 130,083.46, 195,036.40 and 69,302.81 is: 103,906.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,083.46 : 195,036.40 = 69,302.81 : x
  2. Step 2: Convert to fraction form
    130,083.46/195,036.40 = 69,302.81/x
  3. Step 3: Cross multiply
    130,083.46x = 195,036.40 × 69,302.81
  4. Step 4: Simplify right side
    130,083.46x = 13,516,570,225.77
  5. Step 5: Solve for x
    x = 13,516,570,225.77/130,083.46
  6. Step 6: Final answer
    x = 103,906.91

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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.