Home / 130,653-195,981.93-37,161.18

Finding the Fourth Proportional to 130,653, 195,981.93 and 37,161.18

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Solution

The fourth proportional to 130,653, 195,981.93 and 37,161.18 is: 55,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,653 : 195,981.93 = 37,161.18 : x
  2. Step 2: Convert to fraction form
    130,653/195,981.93 = 37,161.18/x
  3. Step 3: Cross multiply
    130,653x = 195,981.93 × 37,161.18
  4. Step 4: Simplify right side
    130,653x = 7,282,919,777.48
  5. Step 5: Solve for x
    x = 7,282,919,777.48/130,653
  6. Step 6: Final answer
    x = 55,742.46

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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.