Home / 326,812.77-450,931.65-190,784.98

Finding the Fourth Proportional to 326,812.77, 450,931.65 and 190,784.98

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Solution

The fourth proportional to 326,812.77, 450,931.65 and 190,784.98 is: 263,242.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,812.77 : 450,931.65 = 190,784.98 : x
  2. Step 2: Convert to fraction form
    326,812.77/450,931.65 = 190,784.98/x
  3. Step 3: Cross multiply
    326,812.77x = 450,931.65 × 190,784.98
  4. Step 4: Simplify right side
    326,812.77x = 86,030,985,826.62
  5. Step 5: Solve for x
    x = 86,030,985,826.62/326,812.77
  6. Step 6: Final answer
    x = 263,242.42

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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.