Home / 278,547.93-384,400.37-151,223.52

Finding the Fourth Proportional to 278,547.93, 384,400.37 and 151,223.52

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Solution

The fourth proportional to 278,547.93, 384,400.37 and 151,223.52 is: 208,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,547.93 : 384,400.37 = 151,223.52 : x
  2. Step 2: Convert to fraction form
    278,547.93/384,400.37 = 151,223.52/x
  3. Step 3: Cross multiply
    278,547.93x = 384,400.37 × 151,223.52
  4. Step 4: Simplify right side
    278,547.93x = 58,130,376,284.58
  5. Step 5: Solve for x
    x = 58,130,376,284.58/278,547.93
  6. Step 6: Final answer
    x = 208,690.75

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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.