Home / 152,863.35-210,802.95-118,811.76

Finding the Fourth Proportional to 152,863.35, 210,802.95 and 118,811.76

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Solution

The fourth proportional to 152,863.35, 210,802.95 and 118,811.76 is: 163,844.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,863.35 : 210,802.95 = 118,811.76 : x
  2. Step 2: Convert to fraction form
    152,863.35/210,802.95 = 118,811.76/x
  3. Step 3: Cross multiply
    152,863.35x = 210,802.95 × 118,811.76
  4. Step 4: Simplify right side
    152,863.35x = 25,045,869,502.69
  5. Step 5: Solve for x
    x = 25,045,869,502.69/152,863.35
  6. Step 6: Final answer
    x = 163,844.83

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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.