Home / 130,613.50-195,756.27-70,639.58

Finding the Fourth Proportional to 130,613.50, 195,756.27 and 70,639.58

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Solution

The fourth proportional to 130,613.50, 195,756.27 and 70,639.58 is: 105,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,613.50 : 195,756.27 = 70,639.58 : x
  2. Step 2: Convert to fraction form
    130,613.50/195,756.27 = 70,639.58/x
  3. Step 3: Cross multiply
    130,613.50x = 195,756.27 × 70,639.58
  4. Step 4: Simplify right side
    130,613.50x = 13,828,140,695.17
  5. Step 5: Solve for x
    x = 13,828,140,695.17/130,613.50
  6. Step 6: Final answer
    x = 105,870.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.