Home / 152,710.07-210,732.75-84,726.32

Finding the Fourth Proportional to 152,710.07, 210,732.75 and 84,726.32

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Solution

The fourth proportional to 152,710.07, 210,732.75 and 84,726.32 is: 116,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,710.07 : 210,732.75 = 84,726.32 : x
  2. Step 2: Convert to fraction form
    152,710.07/210,732.75 = 84,726.32/x
  3. Step 3: Cross multiply
    152,710.07x = 210,732.75 × 84,726.32
  4. Step 4: Simplify right side
    152,710.07x = 17,854,609,357.32
  5. Step 5: Solve for x
    x = 17,854,609,357.32/152,710.07
  6. Step 6: Final answer
    x = 116,918.35

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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.