Home / 134,055.74-201,112.54-45,307.28

Finding the Fourth Proportional to 134,055.74, 201,112.54 and 45,307.28

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Solution

The fourth proportional to 134,055.74, 201,112.54 and 45,307.28 is: 67,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,055.74 : 201,112.54 = 45,307.28 : x
  2. Step 2: Convert to fraction form
    134,055.74/201,112.54 = 45,307.28/x
  3. Step 3: Cross multiply
    134,055.74x = 201,112.54 × 45,307.28
  4. Step 4: Simplify right side
    134,055.74x = 9,111,862,161.29
  5. Step 5: Solve for x
    x = 9,111,862,161.29/134,055.74
  6. Step 6: Final answer
    x = 67,970.70

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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.