Home / 278,549.51-384,397.25-151,225.07

Finding the Fourth Proportional to 278,549.51, 384,397.25 and 151,225.07

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Solution

The fourth proportional to 278,549.51, 384,397.25 and 151,225.07 is: 208,690.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,549.51 : 384,397.25 = 151,225.07 : x
  2. Step 2: Convert to fraction form
    278,549.51/384,397.25 = 151,225.07/x
  3. Step 3: Cross multiply
    278,549.51x = 384,397.25 × 151,225.07
  4. Step 4: Simplify right side
    278,549.51x = 58,130,498,360.95
  5. Step 5: Solve for x
    x = 58,130,498,360.95/278,549.51
  6. Step 6: Final answer
    x = 208,690.01

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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.