Home / 154,041.98-212,587.91-86,059.32

Finding the Fourth Proportional to 154,041.98, 212,587.91 and 86,059.32

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Solution

The fourth proportional to 154,041.98, 212,587.91 and 86,059.32 is: 118,767.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,041.98 : 212,587.91 = 86,059.32 : x
  2. Step 2: Convert to fraction form
    154,041.98/212,587.91 = 86,059.32/x
  3. Step 3: Cross multiply
    154,041.98x = 212,587.91 × 86,059.32
  4. Step 4: Simplify right side
    154,041.98x = 18,295,170,307.28
  5. Step 5: Solve for x
    x = 18,295,170,307.28/154,041.98
  6. Step 6: Final answer
    x = 118,767.43

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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.