Home / 353,030.05-487,182.09-191,884.67

Finding the Fourth Proportional to 353,030.05, 487,182.09 and 191,884.67

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Solution

The fourth proportional to 353,030.05, 487,182.09 and 191,884.67 is: 264,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,030.05 : 487,182.09 = 191,884.67 : x
  2. Step 2: Convert to fraction form
    353,030.05/487,182.09 = 191,884.67/x
  3. Step 3: Cross multiply
    353,030.05x = 487,182.09 × 191,884.67
  4. Step 4: Simplify right side
    353,030.05x = 93,482,774,569.56
  5. Step 5: Solve for x
    x = 93,482,774,569.56/353,030.05
  6. Step 6: Final answer
    x = 264,801.18

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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.