Home / 152,320.08-210,196.54-84,339.92

Finding the Fourth Proportional to 152,320.08, 210,196.54 and 84,339.92

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Solution

The fourth proportional to 152,320.08, 210,196.54 and 84,339.92 is: 116,386.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,320.08 : 210,196.54 = 84,339.92 : x
  2. Step 2: Convert to fraction form
    152,320.08/210,196.54 = 84,339.92/x
  3. Step 3: Cross multiply
    152,320.08x = 210,196.54 × 84,339.92
  4. Step 4: Simplify right side
    152,320.08x = 17,727,959,367.88
  5. Step 5: Solve for x
    x = 17,727,959,367.88/152,320.08
  6. Step 6: Final answer
    x = 116,386.23

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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.