Home / 152,937.21-210,994.47-112,746.53

Finding the Fourth Proportional to 152,937.21, 210,994.47 and 112,746.53

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Solution

The fourth proportional to 152,937.21, 210,994.47 and 112,746.53 is: 155,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,937.21 : 210,994.47 = 112,746.53 : x
  2. Step 2: Convert to fraction form
    152,937.21/210,994.47 = 112,746.53/x
  3. Step 3: Cross multiply
    152,937.21x = 210,994.47 × 112,746.53
  4. Step 4: Simplify right side
    152,937.21x = 23,788,894,869.18
  5. Step 5: Solve for x
    x = 23,788,894,869.18/152,937.21
  6. Step 6: Final answer
    x = 155,546.80

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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.