Home / 158,501.34-218,730.60-86,881.23

Finding the Fourth Proportional to 158,501.34, 218,730.60 and 86,881.23

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Solution

The fourth proportional to 158,501.34, 218,730.60 and 86,881.23 is: 119,895.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,501.34 : 218,730.60 = 86,881.23 : x
  2. Step 2: Convert to fraction form
    158,501.34/218,730.60 = 86,881.23/x
  3. Step 3: Cross multiply
    158,501.34x = 218,730.60 × 86,881.23
  4. Step 4: Simplify right side
    158,501.34x = 19,003,583,566.64
  5. Step 5: Solve for x
    x = 19,003,583,566.64/158,501.34
  6. Step 6: Final answer
    x = 119,895.41

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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.