Home / 353,030.07-487,184.73-191,885.49

Finding the Fourth Proportional to 353,030.07, 487,184.73 and 191,885.49

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Solution

The fourth proportional to 353,030.07, 487,184.73 and 191,885.49 is: 264,803.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,030.07 : 487,184.73 = 191,885.49 : x
  2. Step 2: Convert to fraction form
    353,030.07/487,184.73 = 191,885.49/x
  3. Step 3: Cross multiply
    353,030.07x = 487,184.73 × 191,885.49
  4. Step 4: Simplify right side
    353,030.07x = 93,483,680,636.57
  5. Step 5: Solve for x
    x = 93,483,680,636.57/353,030.07
  6. Step 6: Final answer
    x = 264,803.73

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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.