Home / 152,488.63-210,428.23-84,508.51

Finding the Fourth Proportional to 152,488.63, 210,428.23 and 84,508.51

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Solution

The fourth proportional to 152,488.63, 210,428.23 and 84,508.51 is: 116,618.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,488.63 : 210,428.23 = 84,508.51 : x
  2. Step 2: Convert to fraction form
    152,488.63/210,428.23 = 84,508.51/x
  3. Step 3: Cross multiply
    152,488.63x = 210,428.23 × 84,508.51
  4. Step 4: Simplify right side
    152,488.63x = 17,782,976,179.24
  5. Step 5: Solve for x
    x = 17,782,976,179.24/152,488.63
  6. Step 6: Final answer
    x = 116,618.37

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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.