Home / 245,567.60-338,852.98-154,889.32

Finding the Fourth Proportional to 245,567.60, 338,852.98 and 154,889.32

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Solution

The fourth proportional to 245,567.60, 338,852.98 and 154,889.32 is: 213,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,567.60 : 338,852.98 = 154,889.32 : x
  2. Step 2: Convert to fraction form
    245,567.60/338,852.98 = 154,889.32/x
  3. Step 3: Cross multiply
    245,567.60x = 338,852.98 × 154,889.32
  4. Step 4: Simplify right side
    245,567.60x = 52,484,706,417.82
  5. Step 5: Solve for x
    x = 52,484,706,417.82/245,567.60
  6. Step 6: Final answer
    x = 213,728.14

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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.