Home / 218,927.93-302,120.39-118,325.93

Finding the Fourth Proportional to 218,927.93, 302,120.39 and 118,325.93

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Solution

The fourth proportional to 218,927.93, 302,120.39 and 118,325.93 is: 163,289.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,927.93 : 302,120.39 = 118,325.93 : x
  2. Step 2: Convert to fraction form
    218,927.93/302,120.39 = 118,325.93/x
  3. Step 3: Cross multiply
    218,927.93x = 302,120.39 × 118,325.93
  4. Step 4: Simplify right side
    218,927.93x = 35,748,674,016.48
  5. Step 5: Solve for x
    x = 35,748,674,016.48/218,927.93
  6. Step 6: Final answer
    x = 163,289.69

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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.