Home / 210,262.86-314,985.78-186,701.58

Finding the Fourth Proportional to 210,262.86, 314,985.78 and 186,701.58

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Solution

The fourth proportional to 210,262.86, 314,985.78 and 186,701.58 is: 279,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,262.86 : 314,985.78 = 186,701.58 : x
  2. Step 2: Convert to fraction form
    210,262.86/314,985.78 = 186,701.58/x
  3. Step 3: Cross multiply
    210,262.86x = 314,985.78 × 186,701.58
  4. Step 4: Simplify right side
    210,262.86x = 58,808,342,803.53
  5. Step 5: Solve for x
    x = 58,808,342,803.53/210,262.86
  6. Step 6: Final answer
    x = 279,689.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.