Home / 153,040.14-211,220.46-127,506.02

Finding the Fourth Proportional to 153,040.14, 211,220.46 and 127,506.02

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Solution

The fourth proportional to 153,040.14, 211,220.46 and 127,506.02 is: 175,979.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,040.14 : 211,220.46 = 127,506.02 : x
  2. Step 2: Convert to fraction form
    153,040.14/211,220.46 = 127,506.02/x
  3. Step 3: Cross multiply
    153,040.14x = 211,220.46 × 127,506.02
  4. Step 4: Simplify right side
    153,040.14x = 26,931,879,141.07
  5. Step 5: Solve for x
    x = 26,931,879,141.07/153,040.14
  6. Step 6: Final answer
    x = 175,979.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.