Home / 130,683.04-196,111.95-55,820.68

Finding the Fourth Proportional to 130,683.04, 196,111.95 and 55,820.68

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Solution

The fourth proportional to 130,683.04, 196,111.95 and 55,820.68 is: 83,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,683.04 : 196,111.95 = 55,820.68 : x
  2. Step 2: Convert to fraction form
    130,683.04/196,111.95 = 55,820.68/x
  3. Step 3: Cross multiply
    130,683.04x = 196,111.95 × 55,820.68
  4. Step 4: Simplify right side
    130,683.04x = 10,947,102,405.13
  5. Step 5: Solve for x
    x = 10,947,102,405.13/130,683.04
  6. Step 6: Final answer
    x = 83,768.35

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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.