Home / 153,650.17-212,020.12-93,235.51

Finding the Fourth Proportional to 153,650.17, 212,020.12 and 93,235.51

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Solution

The fourth proportional to 153,650.17, 212,020.12 and 93,235.51 is: 128,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,650.17 : 212,020.12 = 93,235.51 : x
  2. Step 2: Convert to fraction form
    153,650.17/212,020.12 = 93,235.51/x
  3. Step 3: Cross multiply
    153,650.17x = 212,020.12 × 93,235.51
  4. Step 4: Simplify right side
    153,650.17x = 19,767,804,018.46
  5. Step 5: Solve for x
    x = 19,767,804,018.46/153,650.17
  6. Step 6: Final answer
    x = 128,654.62

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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.