Home / 218,848.60-302,011.06-118,246.60

Finding the Fourth Proportional to 218,848.60, 302,011.06 and 118,246.60

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Solution

The fourth proportional to 218,848.60, 302,011.06 and 118,246.60 is: 163,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,848.60 : 302,011.06 = 118,246.60 : x
  2. Step 2: Convert to fraction form
    218,848.60/302,011.06 = 118,246.60/x
  3. Step 3: Cross multiply
    218,848.60x = 302,011.06 × 118,246.60
  4. Step 4: Simplify right side
    218,848.60x = 35,711,779,944.76
  5. Step 5: Solve for x
    x = 35,711,779,944.76/218,848.60
  6. Step 6: Final answer
    x = 163,180.30

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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.