Home / 151,281.09-208,675.80-93,147.18

Finding the Fourth Proportional to 151,281.09, 208,675.80 and 93,147.18

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Solution

The fourth proportional to 151,281.09, 208,675.80 and 93,147.18 is: 128,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,281.09 : 208,675.80 = 93,147.18 : x
  2. Step 2: Convert to fraction form
    151,281.09/208,675.80 = 93,147.18/x
  3. Step 3: Cross multiply
    151,281.09x = 208,675.80 × 93,147.18
  4. Step 4: Simplify right side
    151,281.09x = 19,437,562,304.24
  5. Step 5: Solve for x
    x = 19,437,562,304.24/151,281.09
  6. Step 6: Final answer
    x = 128,486.40

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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.