Home / 153,666.23-212,058.60-89,148.51

Finding the Fourth Proportional to 153,666.23, 212,058.60 and 89,148.51

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Solution

The fourth proportional to 153,666.23, 212,058.60 and 89,148.51 is: 123,024.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,666.23 : 212,058.60 = 89,148.51 : x
  2. Step 2: Convert to fraction form
    153,666.23/212,058.60 = 89,148.51/x
  3. Step 3: Cross multiply
    153,666.23x = 212,058.60 × 89,148.51
  4. Step 4: Simplify right side
    153,666.23x = 18,904,708,222.69
  5. Step 5: Solve for x
    x = 18,904,708,222.69/153,666.23
  6. Step 6: Final answer
    x = 123,024.49

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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.