Home / 153,914.40-212,365.80-93,483.36

Finding the Fourth Proportional to 153,914.40, 212,365.80 and 93,483.36

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Solution

The fourth proportional to 153,914.40, 212,365.80 and 93,483.36 is: 128,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,914.40 : 212,365.80 = 93,483.36 : x
  2. Step 2: Convert to fraction form
    153,914.40/212,365.80 = 93,483.36/x
  3. Step 3: Cross multiply
    153,914.40x = 212,365.80 × 93,483.36
  4. Step 4: Simplify right side
    153,914.40x = 19,852,668,533.09
  5. Step 5: Solve for x
    x = 19,852,668,533.09/153,914.40
  6. Step 6: Final answer
    x = 128,985.13

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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.